Tags: Crustacean.
Balanus nubilus commonly called the giant acorn barnacle is the world’s largest barnacle reaching a diameter of 15 centimetres (5.9 in) and a height of up to 30 centimetres (12 in) and containing the largest known muscle fibres.B. nubilus is frequently found growing on rocks pier pilings and hard-shelled animals at depths of up to 90 metres (300 ft) from Alaska to La Jolla San Diego County California. Like other acorn barnacles B.
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